CN101966851A - Traction method and system for rail transportation - Google Patents

Traction method and system for rail transportation Download PDF

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Publication number
CN101966851A
CN101966851A CN 201010220002 CN201010220002A CN101966851A CN 101966851 A CN101966851 A CN 101966851A CN 201010220002 CN201010220002 CN 201010220002 CN 201010220002 A CN201010220002 A CN 201010220002A CN 101966851 A CN101966851 A CN 101966851A
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China
Prior art keywords
traction
centrally
traction pad
pivoted axle
axle piece
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CN 201010220002
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Chinese (zh)
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CN101966851B (en
Inventor
潘文彬
张健
王明星
刘建勋
冯万盛
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Abstract

The invention relates to a traction method and a system for rail transportation. A soft elastic composite material is used as an elastic vibration-damping structure; a center pivot block is connected with a traction pin by an elastic nylon center pin sleeve, and the nylon sleeve with certain elasticity avoids the rigid shock between the center pivot block and the traction pin and simultaneously realizes the unconstrained rotation between the traction pin and the center pivot block when a vehicle makes a turning; two traction pads are respectively arranged in the front and at the back between the center pivot block and a bogie frame in the traction direction, the traction pads are rubber-metal compound elastic elements, two end plates of the traction pads are respectively provided with a connecting pin, and the connecting pin on the traction pad is directly inserted into a connecting hole for the center pivot block and the bogie frame; and the two traction pads connect the center pivot block and the bogie frame, transfer traction force and brake force and buffer the shock load in transverse direction, vertical direction and other directions, so that the vehicle has better dynamical performance in operation.

Description

A kind of track traffic traction method and system
Technical field
The invention belongs to a kind of traction method and system of rail traffic vehicles, be meant a kind of being installed between truck frame and the car body especially, be mainly used to transmitting tractive power and braking force, coordinate the motion of bogie truck and car body simultaneously, relax the vibration and the impact load of all directions, and provide suitable each to rigidity property, to satisfy the track traffic traction method and the system of vehicle safety operation needs.
Background technology
Guideway vehicle orbits, and can be accompanied by various vibrations and impact.In order to reduce nuisance vibration and impact load, must be provided with the device that relaxes vibration and impact on the vehicle, just spring damper.Spring damper on the vehicle mainly acts on by it, can be divided three classes: a class is that main rising relaxed the vibration spring suspension device, is rubber side bearing, air bellow etc. as axle box coil spring, two; Two classes are shock attenuation units of damped vibration, as vertical damper, lateral damper etc.; Three classes are transmitted loads, and the shock attenuation unit of elasticity location is as axle box elastic positioning device, draw gear etc.
The main effect of draw gear is transmitting tractive power and braking force, coordinates the motion of bogie truck and car body simultaneously, relaxes the vibration and the impact load of all directions, and provides suitable each to rigidity property, to satisfy the needs of vehicle safety operation.
Draw gear divides by its structure, mainly contains two classes at present: a class is that center pin adds the draw bar structure, is mainly used in passenger car bogie, as bogie trucks such as CRH5, AM96; Two classes are single draw bar structures, are mainly used in engine truck, as HX D1, HX D2, HX DVehicle bogie trucks such as 3.This two classes draw gear can both satisfy and satisfy the vehicle operating requirement preferably, and the advantage of himself is arranged, but requires the space mounting size bigger, and complex structure, and maintenance is inconvenient.
Summary of the invention
The objective of the invention is at existing locomotive, the vibration damping deficiency of the elasticity of diesel locomotive draw gear location particularly provides a kind of compact conformation, easy to maintenance, diesel locomotive traction method and device with better damping effect.
Technic relization scheme of the present invention: a kind of later-model track traffic traction method, adopt the elastic damping structure of elastic soft composite material as traction system; Between centrally-pivoted axle piece and towing pin, be connected with center pin stretchy nylon cover, avoid the rigid shock of centrally-pivoted axle piece and towing pin by having certain stretchy nylon cover, rotate with advancing the nothing constraint that when vehicle is crossed bend, realizes between towing pin and the centrally-pivoted axle piece.Between centrally-pivoted axle piece and truck frame, respectively be provided with a traction pad along lead is forward and backward, traction pad is a rubber-metal composite elastic element, be respectively equipped with the connection pin on the two end plates of traction pad, the connection pin on the traction pad directly is inserted in centrally-pivoted axle piece and the truck frame connecting bore; Connect centrally-pivoted axle pieces and truck frame by two traction pads, and transmitting tractive power, braking force, and cushion horizontal, vertical etc. each to impact load, make vehicle when operation, have better dynamic performance.At the left and right two ends of centrally-pivoted axle piece a horizontal backstop is arranged respectively, when the cross-car displacement was big, laterally backstop played position-limiting action, simultaneously traction pad is played the effect of overload protection.
The traction system of being carried according to above-mentioned described track traffic traction method is: a kind of track traffic draw gear, comprise centrally-pivoted axle piece and truck frame, centrally-pivoted axle piece and truck frame link together by towing pin, are provided with center pin stretchy nylon cover between centrally-pivoted axle piece and towing pin; Between centrally-pivoted axle piece and truck frame, respectively be provided with a traction pad along lead is forward and backward, traction pad is a rubber-metal composite elastic element, be respectively equipped with the connection pin on the two end plates of traction pad, connection pin on the traction pad directly is inserted in centrally-pivoted axle piece and the truck frame connecting bore, and traction pad is fixed on the truck frame by briquetting; At the left and right two ends of centrally-pivoted axle piece a horizontal backstop is arranged respectively.
Described horizontal backstop is rubber-metal composite elastic backstop, described traction pad is the rubber-metal laminated spring, one of them traction pad one end links to each other with the centrally-pivoted axle piece, one end is fixed on the truck frame, another traction pad one end links to each other with the centrally-pivoted axle piece, the other end links to each other with briquetting, apply two traction pads of certain load compression in lead simultaneously, by bolt briquetting is fixed on the truck frame again, center pin stretchy nylon cover, centrally-pivoted axle piece, traction pad, briquetting and truck frame are combined as a whole, constitute a traction system.When vertically bearing tractive force and braking force, one of them traction pad is in compressive state, and another is in relaxed state, to the added pre compressed magnitude of traction pad, can guarantee the unlikely and pivot block disengaging of traction pad under relaxed state during by installation.
This new construction has utilized the space of bogie truck fully, is convenient to installation and maintenance, and following main innovate point is arranged simultaneously:
1, traction pad can cushion longitudinal impact and vibration when locomotive car body and bogie truck generation longitudinal travel trend, and bigger longitudinal rigidity is provided simultaneously, helps the transmission of the fore-and-aft stability and the tractive force of locomotive;
2, traction pad takes place laterally or can cushion horizontal and vertical shock and vibration during vertical deviation trend at locomotive car body and bogie truck, provide simultaneously less laterally, vertical stiffness, help the horizontal and vertical stability of locomotive;
3, traction pad is when vertically bearing tractive force and braking force, and one of them is in compressive state, and another is in relaxed state, to the added pre compressed magnitude of traction pad, has guaranteed the unlikely and pivot block disengaging of traction pad under relaxed state during by installation.
4. laterally backstop plays position-limiting action when locomotive car body and bogie truck cross travel are excessive, limits the swing of car body and bogie truck over-large displacement, and traction pad has also been played overload protective function.
5, center pin stretchy nylon cover has been avoided the rigid shock of towing pin and centrally-pivoted axle piece, actv. has transmitted tractive force, and when locomotive car body and bogie truck rotate, guaranteed towing pin unconfined rotation in the centrally-pivoted axle piece, this structure does not need to add lubricant simultaneously, and is easy to maintenance.
6, broken through the mode of traction that traditional center pin adds draw bar, adopt traction pad to replace draw bar, system has bigger vertical/lateral stiffness ratio, and the effect of the damping of system is better, improved vehicle and crossed the ability of bend, vehicle has better dynamic performance.
Accompanying drawing and explanation:
Fig. 1 is the system architecture schematic front view of this patent;
Fig. 2 is the system architecture diagrammatic top view of this patent;
Fig. 3 is a this patent combine and assemble scheme drawing.
Among the figure: 1, towing pin; 2, center pin stretchy nylon cover; 3, traction pad; 4, truck frame; 5, horizontal backstop; 6, centrally-pivoted axle piece; 7, briquetting; 8, connect pin; 9, truck frame connecting bore.
The specific embodiment:
Accompanying drawing has provided a specific embodiment of the present invention, below will the invention will be further described by drawings and Examples.
Fig. 1 has provided a specific embodiment of the present invention, and by accompanying drawing as can be seen, the present invention is a kind of later-model track traffic traction method, adopts the elastic damping structure of elastic soft composite material as traction system; Between centrally-pivoted axle piece 6 and towing pin 1, be provided with center pin stretchy nylon cover 2, avoid the rigid shock of centrally-pivoted axle piece 6 and towing pin 1 by having certain stretchy nylon cover 2, rotate with advancing the nothing constraint that when vehicle is crossed bend, realizes between towing pin 1 and the centrally-pivoted axle piece 6.Between centrally-pivoted axle piece 6 and truck frame 4, respectively be provided with a traction pad 3 along lead is forward and backward, traction pad 3 is a rubber-metal composite elastic element, be respectively equipped with connection pin 8 on the two end plates of traction pad 3, the connection pin 8 on the traction pad directly is inserted in centrally-pivoted axle piece 6 and the truck frame connecting bore 9; Connect centrally-pivoted axle pieces 6 and truck frame 4 by two traction pads, and transmitting tractive power, braking force, and cushion horizontal, vertical etc. each to impact load, make vehicle when operation, have better dynamic performance.At centrally-pivoted axle piece 6 left and right two ends a horizontal backstop 5 is arranged respectively, when the cross-car displacement was big, laterally backstop 5 played position-limiting action, simultaneously traction pad is played the effect of overload protection.
The traction system of being carried according to above-mentioned described track traffic traction method is: a kind of track traffic draw gear, comprise centrally-pivoted axle piece 6 and truck frame 4, centrally-pivoted axle piece 6 links together by towing pin 1 with truck frame 4, is provided with center pin stretchy nylon cover 2 between centrally-pivoted axle piece 6 and towing pin 1; Between centrally-pivoted axle piece 6 and truck frame 4, respectively be provided with a traction pad 3 along lead is forward and backward, traction pad 3 is a rubber-metal composite elastic element, be respectively equipped with on the two end plates of traction pad 3 and connect pin 8, connection pin 8 on the traction pad directly is inserted in centrally-pivoted axle piece and the truck frame connecting bore 9, and traction pad 3 is fixed on the truck frame by briquetting 7; At the left and right two ends of centrally-pivoted axle piece a horizontal backstop is arranged respectively.
Described horizontal backstop 5 is rubber-metal composite elastic backstop, described traction pad 3 is the rubber-metal laminated spring, one of them traction pad one end links to each other with the centrally-pivoted axle piece, one end is fixed on the truck frame, another traction pad one end links to each other with the centrally-pivoted axle piece, the other end links to each other with briquetting, apply two traction pads of certain load compression in lead simultaneously, by bolt briquetting 7 is fixed on the truck frame again, center pin nylon jacket 2, centrally-pivoted axle piece 6, traction pad 3, briquetting 7 and truck frame 4 are combined as a whole, constitute a traction system.When vertically bearing tractive force and braking force, one of them traction pad is in compressive state, another is in relaxed state, to the added pre compressed magnitude of traction pad, can guarantee traction pad unlikely and centrally-pivoted axle piece and bogie truck disengaging under relaxed state during by installation.
Component structural and function:
The centrally-pivoted axle piece: rigid body is the center framework of traction system, mainly act as the connection parts.
Center pin nylon jacket: elastic body, be nylon products, main effect is to avoid the rigid shock of towing pin and centrally-pivoted axle piece, and actv. has transmitted tractive force, and when locomotive car body and bogie truck rotate, guaranteed towing pin unconfined rotation in the centrally-pivoted axle piece.
Traction pad: the rubber-metal composite members, form by metal end plate, partition, locating dowel pin and rubber elastomer, main effect be following some:
1). transmitting tractive power and braking force;
2). relax vertical, horizontal, vertical impact load and vibration;
3). suitable vertical, horizontal, vertical stiffness is provided, satisfies the vehicle dynamics performance requriements.
The added pre compressed magnitude of each traction pad is generally at 8-12mm.Traction pad is made up of two-layer end plate, three layers of partition, 4 layers of elastic rubbery body, wherein on every end plate two locating dowel pins is arranged.Its vertical, horizontal, vertical stiffness compare at 50-30: 1: 1.2-1.
Horizontal backstop: rubber-metal composite members; form by layer of metal base plate and one deck elastic rubbery body multi-layer compound structure; main effect is to play position-limiting action when locomotive car body and bogie truck cross travel are excessive; the swing of restriction car body and bogie truck over-large displacement is played overload protective function to traction pad.
Briquetting: rigid body is one of skeleton of traction system, and main effect is a centrally-pivoted axle piece, traction pad, laterally backstop, center pin nylon jacket are fixed on the bogie truck, keep the pre compressed magnitude to traction pad simultaneously.

Claims (10)

1. a track traffic traction method is characterized in that: adopt the elastic damping structure of elastic soft composite material as traction system; Between centrally-pivoted axle piece and towing pin, be connected with center pin stretchy nylon cover, avoid the rigid shock of centrally-pivoted axle piece and towing pin by having certain stretchy nylon cover, rotate with advancing the nothing constraint that when vehicle is crossed bend, realizes between towing pin and the centrally-pivoted axle piece; Between centrally-pivoted axle piece and truck frame, respectively be provided with a traction pad along lead is forward and backward, traction pad is a rubber-metal composite elastic element, be respectively equipped with the connection pin on the two end plates of traction pad, the connection pin on the traction pad directly is inserted in centrally-pivoted axle piece and the truck frame connecting bore; Connect centrally-pivoted axle pieces and truck frame by two traction pads, and transmitting tractive power, braking force, and cushion horizontal, vertical etc. each to impact load, make vehicle when operation, have better dynamic performance; At the left and right two ends of centrally-pivoted axle piece a horizontal backstop is arranged respectively, when the cross-car displacement was big, laterally backstop played position-limiting action, simultaneously traction pad is played the effect of overload protection.
2. track traffic traction system, it is characterized in that: comprise centrally-pivoted axle piece and truck frame, centrally-pivoted axle piece and truck frame link together by towing pin, are provided with center pin stretchy nylon cover between centrally-pivoted axle piece and towing pin; Between centrally-pivoted axle piece and truck frame, respectively be provided with a traction pad along lead is forward and backward, traction pad is a rubber-metal composite elastic element, be respectively equipped with the connection pin on the two end plates of traction pad, the connection pin on the traction pad directly is inserted in centrally-pivoted axle piece and the truck frame connecting bore; At the left and right two ends of centrally-pivoted axle piece a horizontal backstop is arranged respectively.
3. track traffic traction system as claimed in claim 2, it is characterized in that: described horizontal backstop is rubber-metal composite elastic backstop, described traction pad is the rubber-metal laminated spring, one of them traction pad one end links to each other with the centrally-pivoted axle piece, one end is fixed on the truck frame, another traction pad one end links to each other with the centrally-pivoted axle piece, the other end links to each other with briquetting, apply two traction pads of certain load compression in lead simultaneously, by bolt briquetting is fixed on the truck frame again, make center pin stretchy nylon cover, the centrally-pivoted axle piece, traction pad, briquetting and truck frame combine as a whole, and constitute a traction system.
4. track traffic traction system as claimed in claim 2, it is characterized in that: when vertically bearing tractive force and braking force, one of them traction pad is in compressive state, another is in relaxed state, to the added pre compressed magnitude of traction pad, can guarantee the unlikely and pivot block disengaging of traction pad under relaxed state during by installation.
5. track traffic traction system as claimed in claim 2 is characterized in that: traction pad is the rubber-metal laminated spring, is made up of metal end plate, partition, locating dowel pin and rubber elastomer.
6. traction pad as claimed in claim 3, it is characterized in that: when vertically bearing tractive force and braking force, one of them traction pad is in compressive state, another is in relaxed state, to the added pre compressed magnitude of traction pad, can guarantee the unlikely and pivot block disengaging of traction pad under relaxed state during by installation.
7. traction pad as claimed in claim 4 is characterized in that: the added pre compressed magnitude of each traction pad is generally at 8-12mm.
8. traction pad as claimed in claim 3 is characterized in that: traction pad is made up of two-layer end plate, three layers of partition, 4 layers of elastic rubbery body, wherein on every end plate two locating dowel pins is arranged.
9. traction pad as claimed in claim 3 is characterized in that: its vertical, horizontal, vertical stiffness compare at 50-30: 1: 1.2-1.
10. track traffic traction system as claimed in claim 2; it is characterized in that: laterally backstop is the rubber-metal composite members; form by layer of metal base plate and one deck elastic rubbery body; main effect is to play position-limiting action when locomotive car body and bogie truck cross travel are excessive; the swing of restriction car body and bogie truck over-large displacement is played overload protective function to traction pad.
CN 201010220002 2010-07-08 2010-07-08 Traction method and system for rail transportation Active CN101966851B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102398620A (en) * 2011-10-13 2012-04-04 无锡圣丰减震器有限公司 Dragging cushion for bogie frame of locomotive
CN102514585A (en) * 2011-12-14 2012-06-27 中国北车集团大连机车车辆有限公司 Center positioning device for railway vehicles
CN104044607A (en) * 2014-06-18 2014-09-17 南车长江车辆有限公司 Striking block for railway freight car
CN104276185A (en) * 2014-09-30 2015-01-14 南车青岛四方机车车辆股份有限公司 Draw gear of bogie of railway vehicle
CN110304094A (en) * 2019-07-03 2019-10-08 中车株洲电力机车有限公司 A kind of single centre pin type hitch structure and framework
CN110654410A (en) * 2019-10-30 2020-01-07 中铁轨道交通装备有限公司 Bogie and straddle type monorail vehicle with same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014637A1 (en) * 1991-02-14 1992-09-03 Specialist Rail Products Limited Railway bogies
CN2622034Y (en) * 2003-06-02 2004-06-30 株洲时代新材料科技股份有限公司 Shock-absorption spring made up of rubber and layered metallic material in shape of inner arc
CN201214426Y (en) * 2008-04-25 2009-04-01 南车四方机车车辆股份有限公司 Central beam type traction device
CN201300862Y (en) * 2008-10-22 2009-09-02 长春轨道客车股份有限公司 Steering frame central traction device without abrasion structure
CN201347094Y (en) * 2009-01-14 2009-11-18 长春轨道客车股份有限公司 Towing device for swing bolster-free air spring narrow-gauge passenger train steering bogie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014637A1 (en) * 1991-02-14 1992-09-03 Specialist Rail Products Limited Railway bogies
CN2622034Y (en) * 2003-06-02 2004-06-30 株洲时代新材料科技股份有限公司 Shock-absorption spring made up of rubber and layered metallic material in shape of inner arc
CN201214426Y (en) * 2008-04-25 2009-04-01 南车四方机车车辆股份有限公司 Central beam type traction device
CN201300862Y (en) * 2008-10-22 2009-09-02 长春轨道客车股份有限公司 Steering frame central traction device without abrasion structure
CN201347094Y (en) * 2009-01-14 2009-11-18 长春轨道客车股份有限公司 Towing device for swing bolster-free air spring narrow-gauge passenger train steering bogie

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102398620A (en) * 2011-10-13 2012-04-04 无锡圣丰减震器有限公司 Dragging cushion for bogie frame of locomotive
CN102514585A (en) * 2011-12-14 2012-06-27 中国北车集团大连机车车辆有限公司 Center positioning device for railway vehicles
CN104044607A (en) * 2014-06-18 2014-09-17 南车长江车辆有限公司 Striking block for railway freight car
CN104276185A (en) * 2014-09-30 2015-01-14 南车青岛四方机车车辆股份有限公司 Draw gear of bogie of railway vehicle
US10137910B2 (en) 2014-09-30 2018-11-27 Crrc Qingdao Sifang Co., Ltd. Rail vehicle bogie draw-gear
CN110304094A (en) * 2019-07-03 2019-10-08 中车株洲电力机车有限公司 A kind of single centre pin type hitch structure and framework
CN110304094B (en) * 2019-07-03 2022-02-11 中车株洲电力机车有限公司 Single center pin type traction structure and framework
CN110654410A (en) * 2019-10-30 2020-01-07 中铁轨道交通装备有限公司 Bogie and straddle type monorail vehicle with same

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